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Design point of the first excursion problem of linear structures subjected to stochastic wind loads
WANG Jia * #
College of Civil Engineering, Hunan University, Changsha city
*Correspondence author
#Submitted by
Subject:
Funding: Specialized Research Fund for the Doctoral Program of Higher Education （No.new teachers, No. 20120161120029）
Opened online:30 December 2015
Accepted by: none
Citation: WANG Jia.Design point of the first excursion problem of linear structures subjected to stochastic wind loads[OL]. [30 December 2015] http://en.paper.edu.cn/en_releasepaper/content/4673112
 
 
In this paper the first excursion problem of linear structures subjected to stochastic wind loads is considered. In the space of random variables introduced to model the stochastic excitation, the failure domain of the problem can be expressed as a union of quadratic elementary failure domains. In this paper, the procedures using gradient projection method are proposed for obtaining the design point of the quadratic elementary failure domain, which can provide some insights into enhancing the efficiency of the previously developed simulation method for the concerned first excursion problem. An illustrative example involving an along-wind excited steel building shows the performance of the proposed procedures.
Keywords: design point; first excursion problem; gradient projection method; stochastic wind loads
 
 
 

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